40290820

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7489}}^1$

素因数の和:7767

約数の個数: 24

約数和(自身を含む): 84936600

約数和(自身を除く): 44645780

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 7489, 14978, 29956, 37445, 74890, 149780, 2014541, 4029082, 8058164, 10072705, 20145410, 40290820]

約数ペア:

[(1, 40290820), (2, 20145410), (4, 10072705), (5, 8058164), (10, 4029082), (20, 2014541), (269, 149780), (538, 74890), (1076, 37445), (1345, 29956), (2690, 14978), (5380, 7489)]